Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860363 | Loudspeaker system | Hitoshi Suzuki, Kozo Hara, Shigeru Morita | 1989-08-22 |
SK
Shiro KOGA
Overall (1989): #57,557 of 140,708Top 45%
1
Patents 1989